Johnson, Margaret A.T.; Guner, Adil (8 October 2002). "Iris stenophylla Hausskn. & Siehe ex Baker from Turkey and its cytology". Botanical Journal of the Linnean Society. 140 (2). onlinelibrary.wiley.com: 115–127. doi:10.1046/j.1095-8339.2002.00078.x.